Finding the Fourth Proportional to 78,114.28, 107,797.80 and 42,304.35

Step by Step Solution

1. Step 1: Write the proportion equation
   78,114.28 : 107,797.80 = 42,304.35 : x
2. Step 2: Convert to fraction form
   78,114.28/107,797.80 = 42,304.35/x
3. Step 3: Cross multiply
   78,114.28x = 107,797.80 × 42,304.35
4. Step 4: Simplify right side
   78,114.28x = 4,560,315,860.43
5. Step 5: Solve for x
   x = 4,560,315,860.43/78,114.28
6. Step 6: Final answer
   x = 58,380.05